Season 9

01 Seasons in the Sea Episode 130th September 1990 Sharks, rays, squids and blue whales live in the Pacific Ocean off the California coast. 02 Monkeys on the Edge Episode 27th October 1990 Three species of monkeys, the muriqui, the golden lion tamarin and the buffy-headed marmoset struggle for survival in Brazil's coastal Atlantic Forest. 03 Scandinavia: Land of the Midnight Sun Episode 314th October 1990 A look at how Norway and Sweden are affected by eight months of winter. 04 Scandinavia: Fresh Waters, Salt Seas Episode 421st October 1990 A look at the Swedish archipelago and Norway's fjords. 05 The Sisterhood Episode 511th November 1990 Africa's spotted hyena is a matriarch dominated, efficient predator. 06 Supersense: Sight and Sound Episode 618th November 1990 Sight and sound are experienced through animal eyes and ears. 07 Supersense: Super Scents and Beyond Episode 725th November 1990 Enhanced olfactory sensitivity; unique animal senses. 08 Supersense: Making Sense Episode 82nd December 1990 Internal clocks guide life rhythms of eating, sleeping, mating, hibernation, birth and death. 09 Monkey Island Episode 99th December 1990 This program travels to the island of Cayo Santiago off Puerto Rico to study the behavioral patterns of a colony of feral Rhesus Macaques. 10 Grizzly Country Episode 1016th December 1990 Rangers at Denali National Park in Alaska train hikers for planned encounters with grizzlies; Alaskan grizzly bears are seen salmon fishing at Brooks Falls. 11 The Wild Shores of Patagonia Episode 1113th January 1991 Penguins, maras, guanacos, sea lions and killer whales highlight this portrait of Patagonia. 12 The Gulf: Portrait of the War Zone Episode 1217th February 1991 In light of the Persian Gulf War and the recent oil spills, PBS airs an update of the 1984 episode of Nature, Treasures of the Gulf, that focused on the effects of the Iran-Iraq war on the fragile ecology of the Persian Gulf. 13 One Man's Kenya Episode 1324th February 1991 The beauty of the African plains and the effects of tourism on the area. 14 The Elephants of Tsavo: Love and Betrayal Episode 143rd March 1991 Filmmaker Simon Trevor, a former game warden, records the decimation of African elephants. 15 Grand Teton Wilderness Episode 1510th March 1991 The natural and human history of the Grand Tetons and Jackson Hole, Wyoming. 16 Year of the Jackal Episode 1617th March 1991 Life within a close-knit golden jackal family on the plains of Lemuta in Africa. 17 Black Bear of the North Episode 1724th March 1991 Biologist Lynn Rogers follows the black bear out of hibernation and into the Minnesota woods. 18 Wild Dogs of Africa Episode 187th April 1991 The relationship within a wild dog pack on Africa's Serengeti Plains. 19 Marathon Bird Episode 1914th April 1991 A profile of the albatross examines its traits and habitats, as well as the mysteries and myths surrounding it. 20 The Cat That Came in From the Cold Episode 2028th April 1991 A polecat winters at a working farm in Wales, along with scavenging foxes, rats and birds. 21 Crown of the Continent: Waterton/Glacier National Park Episode 2112th May 1991 Grizzlies, wolves and cougars roam Montana's rugged, pristine Glacier National Park.